US PATENT SUBCLASS 100 / 148
.~.~ With valve or choke adjustment

Current as of: June, 1999
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100 /   HD   PRESSES

144  DF  CONCURRENT PRESSING AND CONVEYING {5}
145  DF  .~ Helix-type compressor {5}
148.~.~ With valve or choke adjustment

DEFINITION

Classification: 100/148

(under subclass 145) Apparatus in which there are means by which the size of the constricted passage may be changed by changing the position of the walls of the constriction relative to one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191+, for plunger and casing type conveying presses having an adjustable choke.